CN103554291A - Modification method and application of saponin gum for oil field production - Google Patents
Modification method and application of saponin gum for oil field production Download PDFInfo
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- CN103554291A CN103554291A CN201310568697.8A CN201310568697A CN103554291A CN 103554291 A CN103554291 A CN 103554291A CN 201310568697 A CN201310568697 A CN 201310568697A CN 103554291 A CN103554291 A CN 103554291A
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Abstract
The invention relates to a modification method of saponin gum for oil field production. The modification method comprises steps of dispersing saponin gum powder in water in a reaction kettle, adding a modifier into the reaction kettle while stirring, stirring and heating reactants in the reaction kettle, adding a sodium hydroxide solution or a potassium hydroxide solution into a reaction system in the reaction process, regulating the pH value to be 7-8, and after reaction, cooling to room temperature to obtain hydrogel in the reaction kettle, wherein the hydrogel is modified glue liquor of saponin gum; evaporating water in colorless glue liquor in the reaction kettle so as to obtain light grey solid, namely the modified product of saponin gum. When in use, the modified product of the saponin gum is dissolved in water so as to be prepared or diluted into a solution, then the solution is added into a low solid phase or high solid phase water-based drilling fluid, the performance for reducing filtrate loss and tackifying property of the solution are measured by API (American Petroleum Institute) standards, the filtrate loss is lowered by 30-60%, the viscosity is improved by 20-200%, and the viscosity of a fracturing fluid or an acidizing fluid can be improved to be 40-120mPa.s after the solution is taken as a thickener to be added into the fracturing fluid or the acidizing fluid.
Description
Technical field
The present invention relates to gummy modification and applied technical field, be specifically related to method of modifying and application for the Chinese honey locust natural gum of field produces.
Background technology
The Main chemical component of Chinese honey locust natural gum is that natural crossing glycan and guanidine glue are similar, compares with other natural glycan such as starch, Mierocrystalline celluloses, has better heat-resisting, resistance to shearing, resistance to biodegradability.Poorly water-soluble, the water-insoluble water-sol viscosity many, that dissolve rear formation of natural soap hornbeam glue is low, therefore also Chinese honey locust natural gum is not applied to field produces at present.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide method of modifying and application for the Chinese honey locust natural gum of field produces, the Chinese honey locust natural gum of modification strengthens its solvability and viscosity, can be for filtration reduction and tackifying in drilling fluid, in fracturing liquid, acidizing fluid for thickening material.
In order to achieve the above object, the technical solution used in the present invention is:
The method of modifying that is used for the Chinese honey locust natural gum of field produces, comprises the following steps:
The first step is scattered in Chinese honey locust natural gum powder in the water of 5-50 times of quality in reactor, and Chinese honey locust natural gum powder is the 40-200 object powder filtering out after Chinese honey locust natural gum is pulverized, and water is deionized water, distilled water or tap water,
Second step, stir in downhill reaction still and add properties-correcting agent, properties-correcting agent add-on is the 0.0001-1% of gummy opaque amount, properties-correcting agent is epoxy chloropropane, Mono Chloro Acetic Acid, 2-chloroethyl-trimethyl ammonium chloride, 2-bromotrifluoromethane-trimethylammonium bromide, 3-chlorine-2-hydroxyl propyl group-trimethyl ammonium chloride and the composition thereof of technical grade and above purity thereof
The 3rd step, by the stirring heating 1-6 hour at 60-100 ℃ of the reactant in reactor, to the sodium hydroxide or the potassium hydroxide solution that add 0.001-10% in reaction system, regulates pH value to remain on 7-8 in reaction process, and react and finish rear cool to room temperature,
The 4th step, the glue liquid obtaining in reactor, is Chinese honey locust natural gum modifier glue, and the water in the colourless solution in reactor is boiled off, and obtains light gray solid, is Chinese honey locust natural gum modifier.
During use, Chinese honey locust natural gum modifier is scattered in water, prehydration 1-4 hour, then be diluted to the solution that mass concentration is 0.1-5%, add in low solid phase or high solid phase water-base drilling fluid, adopt API its filtration reduction of standard test and tackifying, obtain it and reduce leak-off 30-60%, improve viscosity 20-200%; Add in fracturing liquid, acidizing fluid and improve viscosity to 40-120 mPas as thickening material.
Because the present invention has adopted epoxy chloropropane, Mono Chloro Acetic Acid, 2-chloroethyl-trimethyl ammonium chloride, 2-bromotrifluoromethane-trimethylammonium bromide, 3-chlorine-2-hydroxyl propyl group-trimethyl ammonium chloride and composition thereof are as properties-correcting agent, after modification, increased the water soluble group on Chinese honey locust natural gum polymerization sugar chain, improved the solvability of matrix, the introducing of large polar group increases the repulsion between polymerization sugar main chain, thereby main chain is stretched more fully, be conducive to improve its viscosifying action, the simultaneously introducing of large polar group has also strengthened the adsorption of itself and drilling fluid medium clay soil particle surface, be conducive to improve it and fall leak-off effect.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described.
Embodiment 1
The method of modifying that is used for the Chinese honey locust natural gum of field produces, comprises the following steps:
The first step is scattered in Chinese honey locust natural gum powder in the water of 10 times of quality in reactor, and Chinese honey locust natural gum powder is the 100 object powder that filter out after Chinese honey locust natural gum is pulverized, and water is deionized water,
Second step, stirs in downhill reaction still and adds properties-correcting agent, and properties-correcting agent add-on is 0.01% of gummy opaque amount, and properties-correcting agent is the epoxy chloropropane of technical grade and above purity thereof,
The 3rd step, by the stirring heating 4 hours at 90 ℃ of the reactant in reactor, in reaction process, to the sodium hydroxide solution that adds 1% in reaction system, regulating pH value is 7, react and finish rear cool to room temperature,
The 4th step, the glue liquid obtaining in reactor, is Chinese honey locust natural gum modifier glue, and the water in the colourless solution in reactor is boiled off, and obtains light gray solid, is Chinese honey locust natural gum modifier.
During use, Chinese honey locust natural gum modifier is scattered in water to prehydration 1 hour, then be diluted to mass concentration and be 1.5% solution, add in water base low solid phase drilling fluids, adopt API its filtration reduction of standard test and tackifying, obtain it and reduce leak-off 30%, improve viscosity 120%.
Embodiment 2
The method of modifying that is used for the Chinese honey locust natural gum of field produces, comprises the following steps:
The first step is scattered in Chinese honey locust natural gum powder in the water of 15 times of quality in reactor, and Chinese honey locust natural gum powder is the 150 object powder that filter out after Chinese honey locust natural gum is pulverized, and water is distilled water,
Second step, stirs in downhill reaction still and adds properties-correcting agent, and properties-correcting agent add-on is 0.1% of gummy opaque amount, and properties-correcting agent is the Mono Chloro Acetic Acid of technical grade and above purity thereof,
The 3rd step, by the stirring heating 3 hours at 80 ℃ of the reactant in reactor, in reaction process, to the potassium hydroxide solution that adds 2% in reaction system, regulating pH value is 8, react and finish rear cool to room temperature,
The 4th step, the glue liquid obtaining in reactor, is Chinese honey locust natural gum modifier glue, and the water in the colourless solution in reactor is boiled off, and obtains light gray solid, is Chinese honey locust natural gum modifier.
During use, Chinese honey locust natural gum modifier is scattered in water to prehydration 2 hours, then be diluted to mass concentration and be 1% solution, add in water base low solid phase drilling fluids, adopt API its filtration reduction of standard test and tackifying, obtain it and reduce leak-off 45%, improve viscosity 150%.
Embodiment 3
The method of modifying that is used for the Chinese honey locust natural gum of field produces, comprises the following steps:
The first step is scattered in Chinese honey locust natural gum powder in the water of 20 times of quality in reactor, and Chinese honey locust natural gum powder is the 200 object powder that filter out after Chinese honey locust natural gum is pulverized, and water is tap water,
Second step, stirs in downhill reaction still and adds properties-correcting agent, and properties-correcting agent add-on is 0.2% of gummy opaque amount, and properties-correcting agent is the 2-bromotrifluoromethane-trimethylammonium bromide of technical grade and above purity thereof,
The 3rd step, by the stirring heating 6 hours at 70 ℃ of the reactant in reactor, in reaction process, to the sodium hydroxide solution that adds 0.5% in reaction system, regulating pH value is 7, react and finish rear cool to room temperature,
The 4th step, the glue liquid obtaining in reactor, is Chinese honey locust natural gum modifier glue, and the water in the colourless solution in reactor is boiled off, and obtains light gray solid, is Chinese honey locust natural gum modifier.
During use, Chinese honey locust natural gum modifier is scattered in water, prehydration 3 hours, is then diluted to mass concentration and is 0.6% solution as fracturing liquid, and its viscosity can reach 100 mPas.
Embodiment 4
The method of modifying that is used for the Chinese honey locust natural gum of field produces, comprises the following steps:
The first step is scattered in Chinese honey locust natural gum powder in the water of 30 times of quality in reactor, and Chinese honey locust natural gum powder is the 200 object powder that filter out after Chinese honey locust natural gum is pulverized, and water is distilled water,
Second step, stirs in downhill reaction still and adds properties-correcting agent, and properties-correcting agent add-on is 1% of gummy opaque amount, and properties-correcting agent is the 2-chloroethyl-trimethyl ammonium chloride of technical grade and above purity thereof,
The 3rd step, by the stirring heating 4 hours at 80 ℃ of the reactant in reactor, in reaction process, to the potassium hydroxide solution that adds 0.5% in reaction system, regulating pH value is 7, react and finish rear cool to room temperature,
The 4th step, the glue liquid obtaining in reactor, is Chinese honey locust natural gum modifier glue, and the water in the colourless solution in reactor is boiled off, and obtains light gray solid, is Chinese honey locust natural gum modifier.
During use, Chinese honey locust natural gum modifier is scattered in water to prehydration 1 hour, then be diluted to mass concentration and be 0.5% solution, add in water base low solid phase drilling fluids, adopt API its filtration reduction of standard test and tackifying, obtain it and reduce leak-off 40%, improve viscosity 80%.
Embodiment 5
The method of modifying that is used for the Chinese honey locust natural gum of field produces, comprises the following steps:
The first step is scattered in Chinese honey locust natural gum powder in the water of 50 times of quality in reactor, and Chinese honey locust natural gum powder is the 160 object powder that filter out after Chinese honey locust natural gum is pulverized, and water is deionized water,
Second step, stirs in downhill reaction still and adds properties-correcting agent, and properties-correcting agent add-on is 0.5% of gummy opaque amount, and properties-correcting agent is the 3-chlorine-2-hydroxyl propyl group-trimethyl ammonium chloride of technical grade and above purity thereof,
The 3rd step, by the stirring heating 4 hours at 85 ℃ of the reactant in reactor, in reaction process, to the sodium hydroxide solution that adds 0.3% in reaction system, regulating pH value is 7, react and finish rear cool to room temperature,
The 4th step, the glue liquid obtaining in reactor, is Chinese honey locust natural gum modifier glue, and the water in the colourless solution in reactor is boiled off, and obtains light gray solid, is Chinese honey locust natural gum modifier.
During use, Chinese honey locust natural gum modifier is scattered in water to prehydration 3 hours, then be diluted to mass concentration and be 0.5% solution, add in high solid phase water-base drilling fluid, adopt API its filtration reduction of standard test and tackifying, obtain it and reduce leak-off 30%, improve viscosity 75%.
Embodiment 6
The method of modifying that is used for the Chinese honey locust natural gum of field produces, comprises the following steps:
The first step is scattered in Chinese honey locust natural gum powder in the water of 20 times of quality in reactor, and Chinese honey locust natural gum powder is the 200 object powder that filter out after Chinese honey locust natural gum is pulverized, and water is deionized water,
Second step, stirs in downhill reaction still and adds properties-correcting agent, and properties-correcting agent add-on is 0.2% of gummy opaque amount, and properties-correcting agent is the Mono Chloro Acetic Acid of technical grade and above purity thereof,
The 3rd step, by the stirring heating 3 hours at 90 ℃ of the reactant in reactor, in reaction process, to the sodium hydroxide solution that adds 1% in reaction system, regulating pH value is 8, react and finish rear cool to room temperature,
The 4th step, the glue liquid obtaining in reactor, is Chinese honey locust natural gum modifier glue, and the water in the colourless solution in reactor is boiled off, and obtains light gray solid, is Chinese honey locust natural gum modifier.
During use, Chinese honey locust natural gum modifier is scattered in water to prehydration 4 hours, then be diluted to mass concentration and be 0.3% solution, add in high solid phase water-base drilling fluid, adopt API its filtration reduction of standard test and tackifying, obtain it and reduce leak-off 30%, improve viscosity 150%.
Embodiment 7
The method of modifying that is used for the Chinese honey locust natural gum of field produces, comprises the following steps:
The first step is scattered in Chinese honey locust natural gum powder in the water of 50 times of quality in reactor, and Chinese honey locust natural gum powder is the 200 object powder that filter out after Chinese honey locust natural gum is pulverized, and water is distilled water,
Second step, stirs in downhill reaction still and adds properties-correcting agent, and properties-correcting agent add-on is 0.01% of gummy opaque amount, and properties-correcting agent is the 3-chlorine-2-hydroxyl propyl group-trimethyl ammonium chloride of technical grade and above purity thereof,
The 3rd step, by the stirring heating 4 hours at 90 ℃ of the reactant in reactor, in reaction process, to the potassium hydroxide solution that adds 0.5% in reaction system, regulating pH value is 7, react and finish rear cool to room temperature,
The 4th step, the glue liquid obtaining in reactor, is Chinese honey locust natural gum modifier glue, and the water in the colourless solution in reactor is boiled off, and obtains light gray solid, is Chinese honey locust natural gum modifier.
During use, Chinese honey locust natural gum modifier is scattered in water, prehydration 4 hours, then adds that in acidizing fluid, to be made into mass concentration be 0.4% solution, and its viscosity can reach 50 mPas.
Embodiment 8
The method of modifying that is used for the Chinese honey locust natural gum of field produces, comprises the following steps:
The first step is scattered in Chinese honey locust natural gum powder in the water of 30 times of quality in reactor, and Chinese honey locust natural gum powder is the 200 object powder that filter out after Chinese honey locust natural gum is pulverized, and water is distilled water,
Second step, stirs in downhill reaction still and adds properties-correcting agent, and properties-correcting agent add-on is 0.01% of gummy opaque amount, and properties-correcting agent is epoxy chloropropane and the composition thereof of technical grade and above purity thereof,
The 3rd step, by the reactant obtaining in reactor stirring heating 5 hours at 80 ℃, in reaction process, to the sodium hydroxide solution that adds 1% in reaction system, regulating pH value is 7, react and finish rear cool to room temperature,
The 4th step, the glue liquid obtaining in reactor, is Chinese honey locust natural gum modifier glue, and the water in the colourless solution in reactor is boiled off, and obtains light gray solid, is Chinese honey locust natural gum modifier.
During use, Chinese honey locust natural gum modifier is scattered in water to prehydration 2 hours, then be diluted to mass concentration and be 0.3% solution, add in water base low solid phase drilling fluids, adopt API its filtration reduction of standard test and tackifying, obtain it and reduce leak-off 35%, improve viscosity 80%.
Claims (10)
1. for the method for modifying of the Chinese honey locust natural gum of field produces, it is characterized in that, comprise the following steps:
The first step is scattered in Chinese honey locust natural gum powder in the water of 5-50 times of quality in reactor, and Chinese honey locust natural gum powder is the 40-200 object powder filtering out after Chinese honey locust natural gum is pulverized, and water is deionized water, distilled water or tap water,
Second step, stir in downhill reaction still and add properties-correcting agent, properties-correcting agent add-on is the 0.0001-1% of gummy opaque amount, properties-correcting agent is epoxy chloropropane, Mono Chloro Acetic Acid, 2-chloroethyl-trimethyl ammonium chloride, 2-bromotrifluoromethane-trimethylammonium bromide, 3-chlorine-2-hydroxyl propyl group-trimethyl ammonium chloride and the composition thereof of technical grade and above purity thereof
The 3rd step, by the stirring heating 1-6 hour at 60-100 ℃ of the reactant in reactor, to the sodium hydroxide or the potassium hydroxide solution that add 0.001-10% in reaction system, regulates pH value to remain on 7-8 in reaction process, and react and finish rear cool to room temperature,
The 4th step, the glue liquid obtaining in reactor, is Chinese honey locust natural gum modifier glue, and the water in the colourless solution in reactor is boiled off, and obtains light gray solid, is Chinese honey locust natural gum modifier.
2. the method for modifying of the Chinese honey locust natural gum for field produces according to claim 1, it is characterized in that: during use, Chinese honey locust natural gum modifier is scattered in water, prehydration 1-4 hour, then be diluted to the solution that mass concentration is 0.1-5%, add in low solid phase or high solid phase water-base drilling fluid, adopt API its filtration reduction of standard test and tackifying, obtain it and reduce leak-off 30-60%, improve viscosity 20-200%; Add in fracturing liquid, acidizing fluid and improve viscosity to 40-120 mPas as thickening material.
3. the method for modifying of the Chinese honey locust natural gum for field produces according to claim 1, is characterized in that, comprises the following steps:
The first step is scattered in Chinese honey locust natural gum powder in the water of 10 times of quality in reactor, and Chinese honey locust natural gum powder is the 100 object powder that filter out after Chinese honey locust natural gum is pulverized, and water is deionized water,
Second step, stirs in downhill reaction still and adds properties-correcting agent, and properties-correcting agent add-on is 0.01% of gummy opaque amount, and properties-correcting agent is the epoxy chloropropane of technical grade and above purity thereof,
The 3rd step, by the stirring heating 4 hours at 90 ℃ of the reactant in reactor, in reaction process, to the sodium hydroxide solution that adds 1% in reaction system, regulating pH value is 7, react and finish rear cool to room temperature,
The 4th step, the glue liquid obtaining in reactor, is Chinese honey locust natural gum modifier glue, and the water in the colourless solution in reactor is boiled off, and obtains light gray solid, is Chinese honey locust natural gum modifier.
4. the method for modifying of the Chinese honey locust natural gum for field produces according to claim 1, is characterized in that, comprises the following steps:
The first step is scattered in Chinese honey locust natural gum powder in the water of 15 times of quality in reactor, and Chinese honey locust natural gum powder is the 150 object powder that filter out after Chinese honey locust natural gum is pulverized, and water is distilled water,
Second step, stirs in downhill reaction still and adds properties-correcting agent, and properties-correcting agent add-on is 0.1% of gummy opaque amount, and properties-correcting agent is the Mono Chloro Acetic Acid of technical grade and above purity thereof,
The 3rd step, by the stirring heating 3 hours at 80 ℃ of the reactant in reactor, in reaction process, to the potassium hydroxide solution that adds 2% in reaction system, regulating pH value is 8, react and finish rear cool to room temperature,
The 4th step, the glue liquid obtaining in reactor, is Chinese honey locust natural gum modifier glue, and the water in the colourless solution in reactor is boiled off, and obtains light gray solid, is Chinese honey locust natural gum modifier.
5. the method for modifying of the Chinese honey locust natural gum for field produces according to claim 1, is characterized in that, comprises the following steps:
The first step is scattered in Chinese honey locust natural gum powder in the water of 20 times of quality in reactor, and Chinese honey locust natural gum powder is the 200 object powder that filter out after Chinese honey locust natural gum is pulverized, and water is tap water,
Second step, stirs in downhill reaction still and adds properties-correcting agent, and properties-correcting agent add-on is 0.2% of gummy opaque amount, and properties-correcting agent is the 2-bromotrifluoromethane-trimethylammonium bromide of technical grade and above purity thereof,
The 3rd step, by the stirring heating 6 hours at 70 ℃ of the reactant in reactor, in reaction process, to the sodium hydroxide solution that adds 0.5% in reaction system, regulating pH value is 7, react and finish rear cool to room temperature,
The 4th step, the glue liquid obtaining in reactor, is Chinese honey locust natural gum modifier glue, and the water in the colourless solution in reactor is boiled off, and obtains light gray solid, is Chinese honey locust natural gum modifier.
6. the method for modifying of the Chinese honey locust natural gum for field produces according to claim 1, is characterized in that, comprises the following steps:
The first step is scattered in Chinese honey locust natural gum powder in the water of 30 times of quality in reactor, and Chinese honey locust natural gum powder is the 200 object powder that filter out after Chinese honey locust natural gum is pulverized, and water is distilled water,
Second step, stirs in downhill reaction still and adds properties-correcting agent, and properties-correcting agent add-on is 1% of gummy opaque amount, and properties-correcting agent is the 2-chloroethyl-trimethyl ammonium chloride of technical grade and above purity thereof,
The 3rd step, by the stirring heating 4 hours at 80 ℃ of the reactant in reactor, in reaction process, to the potassium hydroxide solution that adds 0.5% in reaction system, regulating pH value is 7, react and finish rear cool to room temperature,
The 4th step, the glue liquid obtaining in reactor, is Chinese honey locust natural gum modifier glue, and the water in the colourless solution in reactor is boiled off, and obtains light gray solid, is Chinese honey locust natural gum modifier.
7. the method for modifying of the Chinese honey locust natural gum for field produces according to claim 1, is characterized in that, comprises the following steps:
The first step is scattered in Chinese honey locust natural gum powder in the water of 50 times of quality in reactor, and Chinese honey locust natural gum powder is the 160 object powder that filter out after Chinese honey locust natural gum is pulverized, and water is deionized water,
Second step, stirs in downhill reaction still and adds properties-correcting agent, and properties-correcting agent add-on is 0.5% of gummy opaque amount, and properties-correcting agent is the 3-chlorine-2-hydroxyl propyl group-trimethyl ammonium chloride of technical grade and above purity thereof,
The 3rd step, by the stirring heating 4 hours at 85 ℃ of the reactant in reactor, in reaction process, to the sodium hydroxide solution that adds 0.3% in reaction system, regulating pH value is 7, react and finish rear cool to room temperature,
The 4th step, the glue liquid obtaining in reactor, is Chinese honey locust natural gum modifier glue, and the water in the colourless solution in reactor is boiled off, and obtains light gray solid, is Chinese honey locust natural gum modifier.
8. the method for modifying of the Chinese honey locust natural gum for field produces according to claim 1, is characterized in that, comprises the following steps:
The first step is scattered in Chinese honey locust natural gum powder in the water of 20 times of quality in reactor, and Chinese honey locust natural gum powder is the 200 object powder that filter out after Chinese honey locust natural gum is pulverized, and water is deionized water,
Second step, stirs in downhill reaction still and adds properties-correcting agent, and properties-correcting agent add-on is 0.2% of gummy opaque amount, and properties-correcting agent is the Mono Chloro Acetic Acid of technical grade and above purity thereof,
The 3rd step, by the stirring heating 3 hours at 90 ℃ of the reactant in reactor, in reaction process, to the sodium hydroxide solution that adds 1% in reaction system, regulating pH value is 8, react and finish rear cool to room temperature,
The 4th step, the glue liquid obtaining in reactor, is Chinese honey locust natural gum modifier glue, and the water in the colourless solution in reactor is boiled off, and obtains light gray solid, is Chinese honey locust natural gum modifier.
9. the method for modifying of the Chinese honey locust natural gum for field produces according to claim 1, is characterized in that, comprises the following steps:
The first step is scattered in Chinese honey locust natural gum powder in the water of 50 times of quality in reactor, and Chinese honey locust natural gum powder is the 200 object powder that filter out after Chinese honey locust natural gum is pulverized, and water is distilled water,
Second step, stirs in downhill reaction still and adds properties-correcting agent, and properties-correcting agent add-on is 0.01% of gummy opaque amount, and properties-correcting agent is the 3-chlorine-2-hydroxyl propyl group-trimethyl ammonium chloride of technical grade and above purity thereof,
The 3rd step, by the stirring heating 4 hours at 90 ℃ of the reactant in reactor, in reaction process, to the potassium hydroxide solution that adds 0.5% in reaction system, regulating pH value is 7, react and finish rear cool to room temperature,
The 4th step, the glue liquid obtaining in reactor, is Chinese honey locust natural gum modifier glue, and the water in the colourless solution in reactor is boiled off, and obtains light gray solid, is Chinese honey locust natural gum modifier.
10. the method for modifying of the Chinese honey locust natural gum for field produces according to claim 1, is characterized in that, comprises the following steps:
The first step is scattered in Chinese honey locust natural gum powder in the water of 30 times of quality in reactor, and Chinese honey locust natural gum powder is the 200 object powder that filter out after Chinese honey locust natural gum is pulverized, and water is distilled water,
Second step, stirs in downhill reaction still and adds properties-correcting agent, and properties-correcting agent add-on is 0.01% of gummy opaque amount, and properties-correcting agent is epoxy chloropropane and the composition thereof of technical grade and above purity thereof,
The 3rd step, by the reactant obtaining in reactor stirring heating 5 hours at 80 ℃, in reaction process, to the sodium hydroxide solution that adds 1% in reaction system, regulating pH value is 7, react and finish rear cool to room temperature,
The 4th step, the glue liquid obtaining in reactor, is Chinese honey locust natural gum modifier glue, and the water in the colourless solution in reactor is boiled off, and obtains light gray solid, is Chinese honey locust natural gum modifier.
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| CN109265911A (en) * | 2018-07-18 | 2019-01-25 | 苏州华龙化工有限公司 | A kind of preparation method of mineral wool enhancing heat preserving and insulating material |
| CN115029121A (en) * | 2022-05-07 | 2022-09-09 | 西南石油大学 | Modified saponin emulsifier and preparation method thereof |
| CN115926771A (en) * | 2022-10-31 | 2023-04-07 | 中国石油天然气集团有限公司 | Self-breaking modified soap-kernel-gum fracturing fluid and use method thereof |
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| CN109265911A (en) * | 2018-07-18 | 2019-01-25 | 苏州华龙化工有限公司 | A kind of preparation method of mineral wool enhancing heat preserving and insulating material |
| CN115029121A (en) * | 2022-05-07 | 2022-09-09 | 西南石油大学 | Modified saponin emulsifier and preparation method thereof |
| CN115029121B (en) * | 2022-05-07 | 2023-08-08 | 西南石油大学 | Modified Chinese honeylocust fruit emulsifier and preparation method thereof |
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